FKIE_CVE-2026-104977

Vulnerability from fkie_nvd - Published: 2026-10-05 18:17 - Updated: 2026-10-05 19:17
Severity
7.7 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Summary
Plane is an open-source project management tool. Prior to 1.4.0, the fix for CVE-2026-27706 and GHSA-jcc6-f9v6-f7jw, an SSRF in work-item link unfurling shipped in v1.2.2, remains incomplete in the v1.3.1 GA release. Any authenticated project member can make the server fetch attacker-selected internal targets, including cloud metadata at 169.254.169.254, and read the response body returned as the link title or favicon. Complete hardening exists on main in PR 9163 but was not included in an earlier released tag. This issue is fixed in 1.4.0.
References
security-advisories@github.comhttps://github.com/makeplane/plane/commit/04622ce1188c4680951f0001e35efb342fe51615
security-advisories@github.comhttps://github.com/makeplane/plane/pull/9163
security-advisories@github.comhttps://github.com/makeplane/plane/releases/tag/v1.4.0
security-advisories@github.comhttps://github.com/makeplane/plane/security/advisories/GHSA-hhj8-7hv6-m74r
134c704f-9b21-4f2e-91b3-4a467353bcc0https://github.com/makeplane/plane/security/advisories/GHSA-hhj8-7hv6-m74r
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "plane",
          "vendor": "makeplane",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 1.4.0"
            }
          ]
        }
      ],
      "source": "security-advisories@github.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Plane is an open-source project management tool. Prior to 1.4.0, the fix for CVE-2026-27706 and GHSA-jcc6-f9v6-f7jw, an SSRF in work-item link unfurling shipped in v1.2.2, remains incomplete in the v1.3.1 GA release. Any authenticated project member can make the server fetch attacker-selected internal targets, including cloud metadata at 169.254.169.254, and read the response body returned as the link title or favicon. Complete hardening exists on main in PR 9163 but was not included in an earlier released tag. This issue is fixed in 1.4.0."
    }
  ],
  "id": "CVE-2026-104977",
  "lastModified": "2026-10-05T19:17:15.790",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.7,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.1,
        "impactScore": 4.0,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-104977",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-10-05T18:39:50.576750Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-10-05T18:17:33.080",
  "references": [
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/makeplane/plane/commit/04622ce1188c4680951f0001e35efb342fe51615"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/makeplane/plane/pull/9163"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/makeplane/plane/releases/tag/v1.4.0"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/makeplane/plane/security/advisories/GHSA-hhj8-7hv6-m74r"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "url": "https://github.com/makeplane/plane/security/advisories/GHSA-hhj8-7hv6-m74r"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-918"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    }
  ]
}



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